• harp is a set of packages for the programming language R.
• It can read data from multiple file formats - but everything has the same structure once read in.
• Any sort of data analysis is possible (maybe with a bit of work!)
• Verification functionality is built in
  • Verification at point locations for deterministic and ensemble forecasts
  • Spatial verification for deterministic (and limited functionality for ensembles)
• Extensive plotting capabilities (with ggplot)

Displaying results

• A customisable web app
• Shows all scores
• Dropdowns are populated depending on the data

All

Coast

Coast Norway

North Norway Pure Coast

Mountain

North Norway Mountain

North Norway

North Norway Fjord Regions

North Norway Inland

West Norway

Norway

Norway 2

Svalbard Barents

None

• Last 7 days and Last 30 days
  • To be updated every Thursday
• Seasonal verification
• Time series of scores for 12, 24, 36, and 48h forecasts
• AA-EPS scores
• monitor switched off?

AA verification: https://verification.met.no/aa-verif

harp package website

harp 2024 training website

This presentation: https://andrew-met.github.io/harp_presentations/arome-arctic-harp.html